P0118 – Engine coolant temperature (ECT) sensor high ... P0118 Engine Coolant Temperature Sensor Circuit Hi Voltage: diagnostic checks for a resistance corresponding to a very low engine coolant temperature. Engine control module (ECM) or PCM (powertrain control module) supplies 5 V to the ECT sensor signal circuit and a ground for the low reference circuit. Diagnostic checks for an open, short to ground or an intermittent circuit condition between the ECM and ECT sensor. Error Code P0118: Engine Coolant Temperature Circuit High ... Overview The onboard diagnostic (OBD) code P0118 is an Engine Coolant Temperature Circuit – High Input malfunction. This code refers to the engine coolant temperature (ECT) sensor. The ECT is a thermistor (an electrical resistor whose resistance is greatly reduced by heating) and is located in a coolant passage in the cylinder head. P0118 Engine Coolant Temperature Sensor Circuit High Input The powertrain control module (PCM) provides a 5 volt reference and a ground to the sensor. The PCM monitors voltage drop to determine coolant temperature. If the ECT reads less than freezing temp. when engine has been running for more than a few minutes, the PCM determines a circuit fault and sets this code. BMW P0118 Engine Coolant Temperature Sensor Circuit High OBD2 Code P0118 BMW definition: The engine coolant temperature (ECT) sensor is a thermistor screwed into a coolant passage in the cylinder head. Sensor resistance is high when coolant temperature is low and resistance drops when coolant temperature increases. The powertrain control module (PCM) provides a 5 volt reference and a ground to the ... P0118 Engine Coolant Temperature sensor circuit high ... P0118 code the Powertain Control Module (PCM) sends out a regulated 5 volt signal to the ECT sensor.The PCM then monitors the signal as it passes through the ECT sensor to the sensor ground (sensor return). When the engine is cold, the PCM will operate in open loop cycle. GearChatter :: View topic DTC P0118 Engine Coolant ... DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage Circuit Description. The Engine Coolant Temperature (ECT) sensor contains a semiconductor device which changes the resistance based on the temperature (a thermistor). The ECT sensor is mounted in the left bank cylinder head near the front of the engine.

topic dtc p0118 engine coolant temperature ect sensor circuit hi Gallery


p0118 2004 nissan maxima engine coolant temperature sensor circuit high

p0118 2004 nissan maxima engine coolant temperature sensor circuit high

p0125 2004 infiniti g35 engine coolant temperature sensor obdii engine light trouble code

p0125 2004 infiniti g35 engine coolant temperature sensor obdii engine light trouble code

took my 2001 santa fe in for smog and it failed data trouble code is po115 engine coolant

took my 2001 santa fe in for smog and it failed data trouble code is po115 engine coolant

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